Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/14/2019
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 02/15/2019 02:56:15 -68.35, -45.47 98.88 02/15/2019 02:56:55 -68.35, -45.44 98.90 1.51 40
2 02/15/2019 03:46:59 68.22, 122.01 80.97 02/15/2019 03:46:22 68.23, 122.07 80.99 2.87 37
3 02/17/2019 18:22:37 68.97, -97.83 80.85 02/17/2019 18:23:46 68.89, -96.53 80.71 52.98 69
4 02/17/2019 19:13:08 -68.30, 70.37 99.86 02/17/2019 19:13:25 -68.28, 70.36 99.89 2.46 17
5 02/17/2019 20:03:52 68.17,-122.16 79.99 02/17/2019 20:02:52 68.16,-122.14 79.99 1.21 60
6 02/20/2019 10:39:20 68.39, 18.72 79.29 02/20/2019 10:40:24 68.36, 18.70 79.25 2.84 64
7 02/20/2019 11:30:01 -68.26,-173.79 100.87 02/20/2019 11:29:54 -68.26,-173.78 100.86 0.97 7
8 02/20/2019 12:20:38 67.75, -5.85 78.60 02/20/2019 12:19:27 67.81, -6.67 78.69 35.22 71
9 02/23/2019 02:56:12 68.34, 134.55 78.27 02/23/2019 02:56:52 68.33, 134.54 78.25 1.32 40
10 02/23/2019 03:46:53 -68.21, -57.96 101.89 02/23/2019 03:46:22 -68.23, -57.94 101.86 3.00 31
11 02/25/2019 18:22:34 -69.12, 81.98 101.90 02/25/2019 18:23:43 -69.03, 83.64 102.06 66.94 69
12 02/25/2019 19:13:05 68.30,-109.62 77.24 02/25/2019 19:13:21 68.29,-109.62 77.22 1.12 16
13 02/25/2019 20:03:46 -68.17, 57.87 102.92 02/25/2019 20:02:52 -68.14, 57.83 102.94 3.16 54

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/14/2019
SNOs_Map_NPP_TERRA_20190214.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/14/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service